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How well do you know your network?

10 questions to find out


Ready for a quick network check? Don't worry: you won't need to open anything up, change any settings or complete a complicated technical test.

We will ask you ten questions about the network your organization relies on every day. As you read, answer each one for yourself with yes, no, partly or not sure.

For every question, we explain why the subject matters. This will show you where you already have good visibility and where some extra attention could save time, investigation and unpleasant surprises later.

Can you answer every question with a confident yes? Excellent. Unsure about a few? That is useful too. By the end of this article, you will know exactly what deserves a closer look.

Ready? Let's begin. Keep the four possible answers in mind: yes, no, partly or not sure.

1. Can you find the current network diagram within five minutes?

Why does this matter? During an outage, change or expansion, you do not want to begin by reconstructing how the environment fits together. An up-to-date diagram speeds up diagnosis, prevents incorrect assumptions and makes handovers to colleagues or vendors easier.

Sound familiar? Several versions exist, but nobody knows which one is current.

2. Do you know which components will soon reach end of support?

Why does this matter? When support or security updates end, new vulnerabilities are no longer fixed and the risk of attack increases. Central visibility of end-of-life and end-of-support dates lets you plan replacements before a security risk or technical issue becomes an urgent project.

Sound familiar? The device still works perfectly well, but the support contract's end date is not easy to find.

If keeping network components, updates and lifecycle information current is a recurring challenge, learn more about our Managed Services.

3. Can you immediately see which firmware and software versions are in use?

Why does this matter? Without a central overview, it is difficult to determine which systems are behind on updates and may therefore be vulnerable to attack. Differences can also develop between locations without anyone noticing. This makes changes, management and troubleshooting less predictable.

Sound familiar? Nobody can immediately confirm whether every device is up to date. Differences often become visible only during a change or outage.

4. Does every administrator use a personal account with MFA?

Why does this matter? Personal accounts, centralized access management and multifactor authentication make administrative actions easier to trace. Permissions can also be changed more quickly when someone changes role, employer or vendor.

Sound familiar? Several administrators share the same administrator account because that is how it was set up years ago.

5. Do you know exactly which vendors have access and why?

Why does this matter? Access can remain active after a project or partnership has ended. For every vendor, you therefore need to know why access is required, which permissions have been granted and who owns that access internally.

Sound familiar? A vendor can still log in, but nobody internally knows who is responsible for that access.

6. Do you have a complete overview of everything accessible from the internet?

Why does this matter? Anything accessible from the internet requires extra attention. You need to know which systems and services are externally accessible, why that access is required, who uses it and how it is secured. Without a current overview, temporary or unnecessary access can remain active unnoticed. This needlessly increases the risk of unauthorized access or a cyberattack.

Sound familiar? A temporary firewall rule or external connection is still active, but nobody knows exactly what it is needed for.

Want to learn more about protecting internet-facing services and network access? Explore our cybersecurity approach.

7. Can you demonstrate that users, guests and management environments are separated?

Why does this matter? Effective segmentation limits which users and devices can reach one another. As a result, a problem on a guest network or standard workstation does not have to affect management environments and critical systems directly.

Sound familiar? Different networks exist on paper, but nobody has recently checked which traffic can pass between them.

8. Do you know how OT and IoT devices are separated from regular IT?

Why does this matter? OT and IoT devices often remain in use for a long time, may have limited security options or depend on external vendors for management. Effective separation limits which other systems these devices can reach. This helps prevent a vulnerable or compromised device from becoming an entry point to workstations, servers or other critical systems.

Sound familiar? A camera, sensor, printer or machine was connected to the network at some point, but nobody knows exactly which other systems the device can reach.

9. Do you know what will stop working if one connection or component fails?

Why does this matter? A network outage can immediately affect communications, applications, production, service delivery and availability. By documenting critical dependencies and single points of failure in advance, you can decide where additional continuity measures are needed.

Sound familiar? A backup connection is available, but nobody knows when failover was last tested.

10. Can you actually restore a critical configuration?

Why does this matter? After a failure, incorrect change or security incident, you do not want to discover that a backup is missing or can be restored only by a former vendor. A backup is useful only when responsibility is clear, it is stored securely, the recovery procedure is documented and restoration is tested regularly.

Sound familiar? Everyone assumes the vendor creates backups, but nobody knows when a critical configuration was last successfully restored in a test.

How often could you answer with a confident yes?

Could you answer all ten questions with yes and support each answer with evidence? If so, you appear to have a solid foundation.

Did you answer no, partly or not sure anywhere? There is no need to panic. That does not automatically mean your network is unsafe or that something is about to go wrong.

It does show where the picture is incomplete. If that uncertainty concerns a critical connection, important system or external access, it is sensible to investigate further, for example with the Health Check.

The aim is not a perfect score. The aim is to know:

what is demonstrably in order;
where information is missing;
which dependencies matter;
what needs attention first.

Assess your current position yourself

Would you like to turn these ten questions into a practical initial assessment? The free Network & Security Readiness Pack helps you assess your network, security, connectivity and management.

You will receive:

a readiness scorecard covering four important areas;
a template for vendors and dependencies;
a template for assets, licenses and lifecycle information;
eight practical quick wins you can start with immediately.
All documents will be in Dutch. Do you really want this in English, contact us here.

Download the Readiness Pack (dutch language)

Use the free pack as a practical first step toward greater visibility.

Download the free Network & Security Readiness Pack

Would you like a professional assessment of the results?

Our Health Check goes beyond the self-assessment. We examine how networking, security and connectivity work together, validate the main findings and translate them into clear priorities and a no-nonsense roadmap.

Book an introductory call for the Health Check

Roel Butterhoff

SD-WAN, SASE, (W)LAN, Cloud, Security

Lucas Kerkhoven

SD-WAN, SASE, (W)LAN, Cloud, Security

Anne-Marijke Corman

SD-WAN, SASE, (W)LAN, Cloud, Security

Matthijs Blok

SD-WAN, SASE, (W)LAN, Cloud, Security

Frequently asked questions

When is a network demonstrably manageable?

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A network is demonstrably manageable when its architecture, components, access, dependencies and recovery options are documented, kept current and reviewed regularly.

What if I cannot answer all ten questions?

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What is the difference between the Readiness Pack and the Health Check?

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